Date/Time Issued: August 6, 2026 2100 UTC

Product(s) or Data Impacted: Himawari-9 AHI Imagery

Date of Initial Impact (start date of first scheduled event): August 7, 2026 

Date of Expected End (end date of last scheduled event): August 14, 2026 

Length of Outage: See detailed information below for specific Himawari-9 AHI data periods affected.

From JMA/MSC:

• Calibration of the visible bands of the AHI on 7 August, 2026.

A calibration of the visible bands of the AHI is scheduled from 20:40 UTC on 7 August, 2026. As a result, the following observation will be cancelled:

20:50 UTC(P125) on 7 August, 2026.

• North-south station keeping maneuver for Himawari-9 on 10 August, 2026.

A north-south station-keeping maneuver for Himawari-9 is scheduled from 11:10 UTC on 10 August, 2026. As a result, the following observation will be cancelled:

11:20 UTC(P068) on 10 August, 2026.

• East-west station keeping maneuver for Himawari-9 on 13 August, 2026.

An east-west station-keeping maneuver for Himawari-9 is scheduled from 19:30 UTC on 13 August, 2026. As a result, the following observation will be cancelled:

19:40 UTC(P118) on 13 August, 2026.

• East-west station keeping maneuver for Himawari-9 on 14 August, 2026.

An east-west station-keeping maneuver for Himawari-9 is scheduled from 07:30 UTC on 14 August, 2026. As a result, the following observation will be cancelled:

07:40 UTC(P046) on 14 August, 2026.

Web Site(s) for applicable information: https://www.data.jma.go.jp/mscweb/en/oper/bulletin_list_H9.html

Contact for Further Information: Please email SPSD User Services at spsd.userservices@noaa.gov

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